3986735 has 8 divisors (see below), whose sum is σ = 4845120. Its totient is φ = 3148704.

The previous prime is 3986729. The next prime is 3986737. The reversal of 3986735 is 5376893.

Added to its reverse (5376893) it gives a triangular number (9363628 = T₄₃₂₇).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3986735 - 2¹⁰ = 3985711 is a prime.

It is a d-powerful number, because it can be written as 3³ + 9⁶ + 8⁷ + 6 + 7⁷ + 3¹² + 5⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3986692 and 3986701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4652 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (605640).

Almost surely, 2^3986735 is an apocalyptic number.

3986735 is a deficient number, since it is larger than the sum of its proper divisors (858385).

3986735 is a wasteful number, since it uses less digits than its factorization.

3986735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177.

The product of its digits is 136080, while the sum is 41.

The square root of 3986735 is about 1996.6809960532. The cubic root of 3986735 is about 158.5644369089.

Adding to 3986735 its reverse (5376893), we get a triangular number (9363628 = T₄₃₂₇).

The spelling of 3986735 in words is "three million, nine hundred eighty-six thousand, seven hundred thirty-five".